//    Copyright 2021 Cardinal
//
//    Licensed under the Apache License, Version 2.0 (the "License");
//    you may not use this file except in compliance with the License.
//    You may obtain a copy of the License at
//
//        http://www.apache.org/licenses/LICENSE-2.0
//
//    Unless required by applicable law or agreed to in writing, software
//    distributed under the License is distributed on an "AS IS" BASIS,
//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//    See the License for the specific language governing permissions and
//    limitations under the License.

/**
 * homeword_1
 */
public class homework_1 {
    public class Student {
        Student(String name, int age) {
            this.name = name;
            this.age = age;
        }
        void show(){
            System.out.println("姓名：" + name + " 年龄：" + age);
        }
        private String name;
        private int age;
    }
    public class Undergraduate extends Student{
        Undergraduate(String name,int age,String degree){
            super(name, age);
            this.degree = degree;
        }
        @Override
        void show(){
            System.out.println("姓名：" + super.name + " 年龄：" + super.age + " 学历：" + degree);
        }
        String degree;
    }
    public static void main(String[] args) {
        homework_1 myselfObject = new homework_1();
        Student stu = myselfObject.new Student("test",18);
        Undergraduate ustu = myselfObject.new Undergraduate("test_U", 24, "PHD");
        stu.show();
        ustu.show();
    }
}

